51 results
Lead AVR on ECG
1. Acute myocardial infarction: ST elevation > 1.5 mm in aVR, indicative of
Lead AVR on ECG ... : Differential diagnosis ... aVR • Classic EKG ... #AVR #leadAVR #ecg ... #ekg #differential
Common causes of Acute Kidney Injury AKI - Differential Diagnosis
HEMODYNAMIC
 • Cardiac failure: Impaired forward flow,
Diagnosis HEMODYNAMIC ... vasoconstriction (e.g ... inhibitors, hepatorenal syndrome ... thromboembolism, renal ... #Diagnosis #nephrology
Hyponatremia - Differential Diagnosis by Mechanism
Decr Blood Pressure (“Decr Effective Circulating Volume”) 
 - Volume depletion
- Cirrhosis Syndrome ... - Malignancy (e.g ... CNS pathology (e.g ... pathology (e.g. ... #Diagnosis #Table
Diffuse Acute Abdominal Pain (<72 hours) - Differential Diagnostic Algorithm
Look for surgical abdomen
Upper quadrant: R/O cardiac,
Diffuse Acute Abdominal ... : R/O cardiac, pulmonary ... , renal, musculoskeletal ... Metabolic disease (e.g ... Irritable bowel syndrome
Causes of ST Segment Elevation - Differential Diagnosis Framework

STEMI:
 • Upsloping convex STE: "Pardee's sign" +
- Differential ... Diagnosis Framework ... QRS complex Pulmonary ... #differential # ... #ecg #ekg #electrocardiogram
Reflex Testing - Causes of Hyporeflexia and Hyperreflexia
Focal Hyporeflexia: 
 • Radiculopathy, Mononeuropathy, Polyneuropathy, Acute stroke,
Polyneuropathy, Acute ... polyneuropathy (e.g ... Testing #Causes #differential ... #diagnosis #table ... #neurology
Causes of Hyponatremia - Differential Diagnosis Algorithm
Syndrome of Inappropriate ADH - Euvolemic; no physiologic stimulus to
Diagnosis Algorithm ... Pain/Post-op • Neurologic ... • Drugs • Pulmonary ... GI losses • Renal ... Uosm < 100 mmol/kg
Causes of Hyponatremia - Differential Diagnosis Algorithm
Syndrome of Inappropriate ADH - Euvolemic; no physiologic stimulus to
Diagnosis Algorithm ... Pain/Post-op • Neurologic ... • Drugs • Pulmonary ... GI losses • Renal ... Uosm < 100 mmol/kg
STEMI Equivalents on ECG
 • Conventional STEMI - Elevation of ST segment at (or 40-60 ms
Equivalents on ECG ... point • De Winter syndrome ... #Equivalents #ECG ... #EKG #diagnosis ... #differential #
Hypermagnesemia - Etiologies by Mechanism
Renal Failure 
Excessive Mg Administration 
 - Massive PO intake
by Mechanism Renal ... IV Mg infusion (e.g ... - Tumor lysis syndrome ... #Diagnosis #High ... #Magnesium #Table